(;AW[rc]AW[qb]AW[rd]AW[qe]AW[pe]AW[oe]AW[ne]AW[nc]AW[lc]AB[od]AB[pc]AB[qc]AB[qd]AB[re]AB[rf]AB[qf]AB[qh]TR[od]TR[pc]TR[qc]TR[qd]C[Balck to save the marked stones.]AP[goproblems]
(;B[rb];W[sb]
(;B[ra];W[qa]
(;B[sd];W[sa]
(;B[rb];W[ra]
(;B[se];W[ob]
(;B[pb];W[pa];B[sc];W[oa];B[rb]C[RIGHT])
(;B[sc];W[rb];B[pb]C[RIGHT]))
(;B[pb];W[ob]
(;B[se];W[pa];B[sc];W[oa];B[rb]C[RIGHT])
(;B[pa];W[oc]
(;B[se];W[pd];B[sc];W[oa])
(;B[pd];W[oa]))
(;B[sc];W[se])))
(;B[pb];W[ob]
(;B[pa];W[oc]
(;B[se];W[pd])
(;B[rb];W[ra];B[se];W[pd];B[sc];W[oa])
(;B[ra];W[rb];B[se];W[pd])
(;B[oa];W[na])
(;B[pd];W[nd]))
(;B[rb];W[ra]
(;B[se];W[pa];B[sc];W[oa];B[rb]C[RIGHT])
(;B[pa];W[oc];B[se];W[pd];B[sc];W[oa]))
(;B[se];W[pa]
(;B[sc];W[rb])
(;B[rb];W[ra];B[sc];W[oa];B[rb]C[RIGHT]))
(;B[ra];W[pa]))
(;B[se];W[pb]
(;B[rb];W[ra];B[sc];W[rb];B[ob]C[RIGHT])
(;B[ob];W[oc];B[sc];W[pd])
(;B[sc];W[rb];B[ob];W[oc])))
(;B[pb];W[sa]
(;B[sd];W[ob]
(;B[pa];W[oc];B[se];W[pd])
(;B[rb];W[ra]
(;B[pa];W[oc];B[se];W[pd];B[sc];W[oa])
(;B[se];W[pa];B[sc];W[oa];B[rb]C[RIGHT]))
(;B[se];W[pa]
(;B[sc];W[rb])
(;B[rb];W[ra];B[sc];W[oa];B[rb]C[RIGHT])))
(;B[pa];W[sd])
(;B[rb];W[sd];B[pa];W[ra])))
(;B[pb];W[ra])
(;B[sd];W[ra]))
(;B[pb];W[rb]
(;B[nb];W[mb]
(;B[ob]
(;W[oc]
(;B[sd];W[pd];B[sc];W[pa];B[sb];W[oa];B[ra];W[na])
(;B[nd];W[mc]
(;B[md];W[pd])
(;B[pd];W[md]))
(;B[pa];W[pd]
(;B[sd];W[na];B[sc];W[qa])
(;B[qa];W[ra];B[sd];W[na])))
(;W[pa];B[nd];W[md]
(;B[oa];W[qa]
(;B[oc];W[mc])
(;B[pd];W[mc]))
(;B[sd];W[pd];B[sc];W[oc];B[sb];W[na])))
(;B[qa];W[ob]
(;B[oc];W[na];B[ra];W[nd];B[sd];W[pd])
(;B[ra];W[oc];B[sd];W[pd]))
(;B[sd];W[ob];B[oc];W[na];B[sc];W[pa];B[sb];W[qa]))
(;B[ob];W[nb];B[nd];W[md])
(;B[sd];W[ob]
(;B[pa];W[oc];B[qa];W[pd];B[sc];W[oa])
(;B[qa];W[oc]))
(;B[qa];W[ob];B[ra];W[oc];B[sd];W[pd]))
(;B[ob];W[oc]
(;B[rb];W[pb]
(;B[pa];W[pd])
(;B[sd];W[pd])
(;B[sc];W[pd])
(;B[qa];W[pd]))
(;B[pb];W[rb];B[nb];W[mb]
(;B[nd];W[mc]
(;B[pd];W[md])
(;B[md];W[pd]))
(;B[pd];W[nd])
(;B[qa];W[pd])))
(;B[sd];W[oc]
(;B[rb];W[pb])
(;B[pb];W[rb];B[ob];W[nb])))